How many IP addresses can be entered into the IP address field of Sender/User Matches Conditions?
Article ID: 160041
Data Loss Prevention Enforce
From your Policy you are adding a Group Exception with the Exception Type Sender/User Matches Pattern or Recipient Matches Pattern and entering the list of IP addresses in the IP address field.
In all Data Loss Prevention versions up to 11.5.1 the number of IP addresses you can enter in the IP field is limited to 512 characters. In versions from 11.6 and later the number of IP addresses you can enter in the IP field has increased to 2048 characters.